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Hover on gizmo grabbers rendering

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This commit is contained in:
Enrico Turri 2018-06-14 15:32:26 +02:00
parent 4d405977dd
commit c624d6bb0a
4 changed files with 121 additions and 14 deletions
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82
xs/src/slic3r/GUI/GLGizmo.cpp
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@ -13,9 +13,11 @@ namespace GUI {
const float GLGizmoBase::BaseColor[3] = { 1.0f, 1.0f, 1.0f };
const float GLGizmoBase::HighlightColor[3] = { 1.0f, 0.38f, 0.0f };
const float GLGizmoBase::GrabberHalfSize = 2.0f;
const float GLGizmoBase::HoverOffset = 0.5f;
GLGizmoBase::GLGizmoBase()
: m_state(Off)
, m_hover_id(-1)
{
}
@ -48,12 +50,22 @@ int GLGizmoBase::get_textures_size() const
return m_textures[Off].get_width();
}
void GLGizmoBase::set_hover_id(int id)
{
m_hover_id = id;
}
void GLGizmoBase::render(const BoundingBoxf3& box) const
{
on_render(box);
}
void GLGizmoBase::_render_square(const Pointf3& center) const
void GLGizmoBase::render_for_picking(const BoundingBoxf3& box) const
{
on_render_for_picking(box);
}
void GLGizmoBase::render_grabber(const Pointf3& center, bool hover) const
{
float min_x = (float)center.x - GrabberHalfSize;
float max_x = (float)center.x + GrabberHalfSize;
@ -70,6 +82,21 @@ void GLGizmoBase::_render_square(const Pointf3& center) const
::glVertex3f((GLfloat)min_x, (GLfloat)min_y, 0.0f);
::glEnd();
::glEnable(GL_CULL_FACE);
if (hover)
{
min_x -= HoverOffset;
max_x += HoverOffset;
min_y -= HoverOffset;
max_y += HoverOffset;
::glBegin(GL_LINE_LOOP);
::glVertex3f((GLfloat)min_x, (GLfloat)min_y, 0.0f);
::glVertex3f((GLfloat)max_x, (GLfloat)min_y, 0.0f);
::glVertex3f((GLfloat)max_x, (GLfloat)max_y, 0.0f);
::glVertex3f((GLfloat)min_x, (GLfloat)max_y, 0.0f);
::glEnd();
}
}
const float GLGizmoRotate::Offset = 5.0f;
@ -129,6 +156,22 @@ void GLGizmoRotate::on_render(const BoundingBoxf3& box) const
_render_grabber(center, radius);
}
void GLGizmoRotate::on_render_for_picking(const BoundingBoxf3& box) const
{
::glDisable(GL_LIGHTING);
::glDisable(GL_DEPTH_TEST);
const Pointf3& size = box.size();
const Pointf3& center = box.center();
float radius = Offset + ::sqrt(sqr(0.5f * size.x) + sqr(0.5f * size.y)) + GrabberOffset;
float x = center.x + ::cos(m_angle_z) * radius;
float y = center.y + ::sin(m_angle_z) * radius;
::glColor3f(1.0f, 1.0f, 254.0f / 255.0f);
render_grabber(Pointf3((coordf_t)x, (coordf_t)y, 0.0), false);
}
void GLGizmoRotate::_render_circle(const Pointf3& center, float radius) const
{
::glBegin(GL_LINE_LOOP);
@ -206,7 +249,7 @@ void GLGizmoRotate::_render_grabber(const Pointf3& center, float radius) const
::glEnd();
::glColor3fv(HighlightColor);
_render_square(Pointf3((coordf_t)x, (coordf_t)y, 0.0));
render_grabber(Pointf3((coordf_t)x, (coordf_t)y, 0.0), (m_hover_id != -1));
}
const float GLGizmoScale::Offset = 5.0f;
@ -264,10 +307,37 @@ void GLGizmoScale::on_render(const BoundingBoxf3& box) const
// draw grabbers
::glColor3fv(HighlightColor);
_render_square(Pointf3(min_x, min_y, 0.0));
_render_square(Pointf3(max_x, min_y, 0.0));
_render_square(Pointf3(max_x, max_y, 0.0));
_render_square(Pointf3(min_x, max_y, 0.0));
render_grabber(Pointf3(min_x, min_y, 0.0), (m_hover_id == 0));
render_grabber(Pointf3(max_x, min_y, 0.0), (m_hover_id == 1));
render_grabber(Pointf3(max_x, max_y, 0.0), (m_hover_id == 2));
render_grabber(Pointf3(min_x, max_y, 0.0), (m_hover_id == 3));
}
void GLGizmoScale::on_render_for_picking(const BoundingBoxf3& box) const
{
static const GLfloat INV_255 = 1.0f / 255.0f;
::glDisable(GL_LIGHTING);
::glDisable(GL_DEPTH_TEST);
const Pointf3& size = box.size();
const Pointf3& center = box.center();
Pointf half_scaled_size = 0.5 * Pointf((coordf_t)m_scale_x * size.x, (coordf_t)m_scale_y * size.y);
coordf_t min_x = center.x - half_scaled_size.x - (coordf_t)Offset;
coordf_t max_x = center.x + half_scaled_size.x + (coordf_t)Offset;
coordf_t min_y = center.y - half_scaled_size.y - (coordf_t)Offset;
coordf_t max_y = center.y + half_scaled_size.y + (coordf_t)Offset;
// draw grabbers
::glColor3f(1.0f, 1.0f, 254.0f * INV_255);
render_grabber(Pointf3(min_x, min_y, 0.0), false);
::glColor3f(1.0f, 1.0f, 253.0f * INV_255);
render_grabber(Pointf3(max_x, min_y, 0.0), false);
::glColor3f(1.0f, 1.0f, 252.0f * INV_255);
render_grabber(Pointf3(max_x, max_y, 0.0), false);
::glColor3f(1.0f, 1.0f, 251.0f * INV_255);
render_grabber(Pointf3(min_x, max_y, 0.0), false);
}
} // namespace GUI